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/home/eko/MUBench/MUBench/mubench.pipeline/../checkouts/closure/319/original-src/com/google/javascript/jscomp/parsing/ParserRunner.java

parse(String, String, Config, ErrorReporter, Logger)

class ParserRunner {
  /**
   * Parses the JavaScript text given by a reader.
   *
   * @param sourceName The filename.
   * @param sourceString Source code from the file.
   * @param errorReporter An error.
   * @param logger A logger.
   * @return The AST of the given text.
   * @throws IOException
   */
  public static Node parse(String sourceName,
                           String sourceString,
                           Config config,
                           ErrorReporter errorReporter,
                           Logger logger) throws IOException {
    Context cx = Context.enter();
    cx.setErrorReporter(errorReporter);
    cx.setLanguageVersion(Context.VERSION_1_5);
    CompilerEnvirons compilerEnv = new CompilerEnvirons();
    compilerEnv.initFromContext(cx);
    compilerEnv.setRecordingComments(true);
    compilerEnv.setRecordingLocalJsDocComments(true);
    compilerEnv.setWarnTrailingComma(true);
    if (config.isIdeMode) {
      compilerEnv.setReservedKeywordAsIdentifier(true);
      compilerEnv.setAllowMemberExprAsFunctionName(true);
    }

    Parser p = new Parser(compilerEnv, errorReporter);
    AstRoot astRoot = null;
    try {
      astRoot = p.parse(sourceString, sourceName, 1);
    } catch (EvaluatorException e) {
      logger.info("Error parsing " + sourceName + ": " + e.getMessage());
    } finally {
      Context.exit();
    }
    Node root = null;
    if (astRoot != null) {
      root = IRFactory.transformTree(
          astRoot, sourceString, config, errorReporter);
      root.setIsSyntheticBlock(true);
    }
    return root;
  }

}